Initial commit

.config/lite-xl/libraries/widget/label.lua

@@ -0,0 +1,94 @@
+--
+-- Label Widget.
+-- @copyright Jefferson Gonzalez
+-- @license MIT
+--
+
+local style = require "core.style"
+local Widget = require "libraries.widget"
+
+---@class widget.label : widget
+local Label = Widget:extend()
+
+---Constructor
+---@param parent widget
+---@param label string
+function Label:new(parent, label)
+  Label.super.new(self, parent)
+  self.type_name = "widget.label"
+  self.clickable = false
+  self.border.width = 0
+  self.custom_size = {x = 0, y = 0}
+
+  self:set_label(label or "")
+end
+
+---@param width? integer
+---@param height? integer
+function Label:set_size(width, height)
+  Label.super.set_size(self, width, height)
+  self.custom_size.x = self.size.x
+  self.custom_size.y = self.size.y
+end
+
+---Set the label text and recalculates the widget size.
+---@param text string|widget.styledtext
+function Label:set_label(text)
+  Label.super.set_label(self, text)
+
+  local font = self:get_font()
+
+  if self.custom_size.x <= 0 then
+    if type(text) == "table" then
+      self.size.x, self.size.y = self:draw_styled_text(text, 0, 0, true)
+    else
+      self.size.x = font:get_width(self.label)
+      self.size.y = font:get_height()
+    end
+
+    if self.border.width > 0 then
+      self.size.x = self.size.x + style.padding.x
+      self.size.y = self.size.y + style.padding.y
+    end
+  end
+end
+
+function Label:update()
+  if not Label.super.update(self) then return false end
+
+  if self.custom_size.x <= 0 then
+    -- update the size
+    self:set_label(self.label)
+  end
+
+  return true
+end
+
+function Label:draw()
+  if not self:is_visible() then return false end
+
+  self:draw_border()
+
+  local px = self.border.width > 0 and (style.padding.x / 2) or 0
+  local py = self.border.width > 0 and (style.padding.y / 2) or 0
+
+  local posx, posy = self.position.x + px, self.position.y + py
+
+  if type(self.label) == "table" then
+    self:draw_styled_text(self.label, posx, posy)
+  else
+    renderer.draw_text(
+      self:get_font(),
+      self.label,
+      posx,
+      posy,
+      self.foreground_color or style.text
+    )
+  end
+
+  return true
+end
+
+
+return Label
+